NHTSA owner reports · September 18, 2026 snapshot.
Electrical System complaints
617 reportsClear category filter150,000 miles · Apr 1, 2014
Electrical SystemFuel/propulsion System
WHILE SITTING AT A STOP LIGHT, THE FUEL GAUGE STOPPED WORKING. THE GAUGE WENT ALL THE WAY DOWN TO "E" AND THE LOW FUEL LEVEL INDICATOR APPEARED ON THE DISPLAY. NOW WHEN I FILL UP THE TANK, THE GAUGE READS EMPTY AND AFTER I DRIVE ABOUT 20-30 MILES IT WILL MOVE UP TO ABOUT 1/4 TANK BUT NO HIGHER AND SOMETIMES IT WILL STILL MOVE B…
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WHILE SITTING AT A STOP LIGHT, THE FUEL GAUGE STOPPED WORKING. THE GAUGE WENT ALL THE WAY DOWN TO "E" AND THE LOW FUEL LEVEL INDICATOR APPEARED ON THE DISPLAY. NOW WHEN I FILL UP THE TANK, THE GAUGE READS EMPTY AND AFTER I DRIVE ABOUT 20-30 MILES IT WILL MOVE UP TO ABOUT 1/4 TANK BUT NO HIGHER AND SOMETIMES IT WILL STILL MOVE BACK TO EMPTY THAT SLOWLY MOVE BACK UP. ALSO SOMETIMES THE OIL PRESSURE INDICATOR WILL DROP ALL THE WAY DOWN WHILE IDLING OR IN PARK AND THE LOW PRESSURE INDICATOR WILL APPEAR, BUT AS SOON AS THE GAS IS PRESSED, THE PRESSURE WILL GO BACK TO NORMAL. ALSO, ABOUT 1 1/2 YEARS AGO, THE KEYLESS ENTRY/ALARM/BACK LIFTGATE LOCK AND LICENSE PLATE LIGHT ALL STOPPED WORKING SIMULTANEOUSLY. I WAS TOLD THAT IT IS PROBABLY A GROUNDING WIRE ISSUE BUT NOT DEFINITIVE. NOW MY LIFTGATE WILL NOT LOCK AT ALL. *TR
NHTSA ODI #10576361
95,000 miles · Mar 30, 2014
Electrical System
WHILE TRAVELING WE NOTICED THE WE WERE BEING PASSED EXCESSIVELY, WE LOOKED AT THE SPEEDOMETER AND SAW THAT WE WERE DOING SLIGHTLY ABOVE THE SPEED LIMIT. OUT OF CURIOSITY WE CHECKED OUR SPEED AGAINST OUR GPS / SMART PHONE AND SAW THAT WE WERE DOING 30 MPH UNDER THE SPEED BEING REPORTED BY OUR SPEEDOMETER. AFTER SEARCHING ON THE…
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WHILE TRAVELING WE NOTICED THE WE WERE BEING PASSED EXCESSIVELY, WE LOOKED AT THE SPEEDOMETER AND SAW THAT WE WERE DOING SLIGHTLY ABOVE THE SPEED LIMIT. OUT OF CURIOSITY WE CHECKED OUR SPEED AGAINST OUR GPS / SMART PHONE AND SAW THAT WE WERE DOING 30 MPH UNDER THE SPEED BEING REPORTED BY OUR SPEEDOMETER. AFTER SEARCHING ON THE INTERNET WE FOUND THAT 100'S IF NOT 1000'S ARE HAVING THE SAME ISSUE OR EVEN SOMETIMES IN REVERSE WHERE IT STATES THAT THEY ARE DOING 120 MPH WHEN THEY ARE ONLY DOING A FRACTION OF THAT. IN ADDITION WE HAVE FOUND THAT THERE HAS BEEN A RECALL ON THIS SAME PART ON OTHER GM VEHICLES FOR THE EXACT SAME REASON BUT THE TRAILBLAZER WAS EXCLUDED FOR WHATEVER REASON. HOW CAN NOT KNOWING HOW FAST YOUR ACTUALLY GOING NOT BE A MAJOR HAZARD ESPECIALLY WITH A PROVEN HISTORY OF FAILURES. *TR
NHTSA ODI #10575700
Mileage unknown · Mar 25, 2014
Electrical SystemExterior Lighting
DASH LIGHTS COME ON ALL THE TIME .HAD IT IN TO LOCAL DEALER .WE HAVE TOOK IT IN ALL THE TIME THEY HAVE REPLACE EVERYTHING THEY COULD TO FIND PROBLEM.STILL DIDN'T FIX IT. WARRANTED RUN OUT.EVEN TOOK IN AND PD FOR OURSELVES STILL NOT FIXED LIGHTS COME ON NOW AND STAY ON.CAN'T KEEP TAKING IN DON'T HAVE MONEY TO TAKE IN. *TR
NHTSA ODI #10574771
100,000 miles · Mar 24, 2014
Electrical SystemVisibility
STARTING UP MY CAR LAST WEDNESDAY MORNING,I WENT TO ROLL MY WINDOW DOWN ON THE DRIVERS SIDE AND THERE WAS A HESITATION THEN IT STOPPED AND I SMELLED SOMETHING BURNING.FROM THAT POINT FORWARD I WAS NO LONGER ABLE TO ROLL MY WINDOW DOWN OR UP AND LOST ALL FUNCTIONS FROM THAT CONTACT PAD....IN LOOKING THRU THE VARIES RECALLS FOR TH…
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STARTING UP MY CAR LAST WEDNESDAY MORNING,I WENT TO ROLL MY WINDOW DOWN ON THE DRIVERS SIDE AND THERE WAS A HESITATION THEN IT STOPPED AND I SMELLED SOMETHING BURNING.FROM THAT POINT FORWARD I WAS NO LONGER ABLE TO ROLL MY WINDOW DOWN OR UP AND LOST ALL FUNCTIONS FROM THAT CONTACT PAD....IN LOOKING THRU THE VARIES RECALLS FOR THIS VEHICLE I NOTICED THE RECALL FOR THE DRIVERS DOOR MODULE IN 2006,2007. IF THIS RECALL INITIATED WITH THE 2005 TRAILBLAZER IN 08/12, WHY IS THIS MODEL NOT INCLUDED IN THE RECALL???? WHY WILL I HAVE TO PAY THE $400 IN REPAIRS SOMEHOW THIS DOESN'T SEEM ETHICAL. ESPECIALLY IF YOU KNEW THIS WAS HAPPENING IN THE 2005 CHEVY TRAILBLAZER...I AM SURE I AM PREACHING TO THE CHOIR BUT MAYBE YOU CAN PROVIDE ME WITH INCITE AS TO THE LOGIC!!!!!!!! *TR
NHTSA ODI #10574426
50,000 miles · Mar 17, 2014
Electrical SystemFuel System, Gasoline
MULTIPLE GAUGES ON THE INSTRUMENT PANEL STOPPED WORKING. THEY INCLUDE: FUEL GAUGE, SPEEDOMETER, VOLTMETER, AND TACHOMETER. THE FIRST TO GO OUT WAS THE FUEL GAUGE. THEN SPEEDOMETER, FOLLOWED BY THE VOLTMETER AND THE TACHOMETER ABOUT THE SAME TIME. CHEVY HAS FIXED THE FUEL GAUGE ISSUE BY RECALL. BUT HAS NOT ADDRESSED THE OTHER GA…
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MULTIPLE GAUGES ON THE INSTRUMENT PANEL STOPPED WORKING. THEY INCLUDE: FUEL GAUGE, SPEEDOMETER, VOLTMETER, AND TACHOMETER. THE FIRST TO GO OUT WAS THE FUEL GAUGE. THEN SPEEDOMETER, FOLLOWED BY THE VOLTMETER AND THE TACHOMETER ABOUT THE SAME TIME. CHEVY HAS FIXED THE FUEL GAUGE ISSUE BY RECALL. BUT HAS NOT ADDRESSED THE OTHER GAUGES ON THE INSTRUMENT PANEL. *TR
NHTSA ODI #10572850
96,100 miles · Mar 5, 2014
Electrical SystemVisibility
I WAS DRIVING DOWN THE HIGHWAY IN A RAINY STATE WITH THE DRIVER'S WINDOW PARTIALLY CRACKED. WATER BEGAN DRIPPING IN ONTO THE DRIVER WINDOW CONTROL PANEL, SO I CLOSED THE WINDOW. A FEW MINUTES LATER I WENT TO ROLL DOWN MY WINDOW AND NONE OF THE CONTROLS WORKED. THERE WAS A FAINT ELECTRICAL BURNING SMELL. ALL FOUR WINDOW CONTROLS …
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I WAS DRIVING DOWN THE HIGHWAY IN A RAINY STATE WITH THE DRIVER'S WINDOW PARTIALLY CRACKED. WATER BEGAN DRIPPING IN ONTO THE DRIVER WINDOW CONTROL PANEL, SO I CLOSED THE WINDOW. A FEW MINUTES LATER I WENT TO ROLL DOWN MY WINDOW AND NONE OF THE CONTROLS WORKED. THERE WAS A FAINT ELECTRICAL BURNING SMELL. ALL FOUR WINDOW CONTROLS ON THE PANEL WOULD NO LONGER FUNCTION AS WELL AS THE HEATED SEAT BUTTONS. THE DOOR LOCK STILL FUNCTIONED AS WELL AS THE WINDOW LOCK OUT BUTTON. I'M JUST GLAD THIS HAPPENED WITH THE WINDOW UP. SWAPPING THE PASSENGER SIDE DOOR CONTROL PANEL WITH THE DRIVER'S SIDE DOOR CONTROL PANEL ALLOWS YOU TO RAISE AND LOWER THE WINDOW, SO IT IS THE CONTROL PANEL THAT IS DEFECTIVE. I SEE THAT THE 2006 AND 2007 MODELS WERE RECALLED FOR THIS DUE TO FIRES, BUT NO RECALL EXISTS FOR THE 2005 FIRES AS FIRES HAVEN'T BEEN REPORTED YET. *TR
NHTSA ODI #10567467
94,000 miles · Mar 2, 2014
Electrical SystemVisibility/wiper
SATURDAY NIGHT (03/1/14) ON OUR WAY HOME IT STARTED SNOWING HEAVILY, THE VISIBILITY WAS LOW AND OUR WINDOWS WERE FOGGING UP AND THE FRONT HEATER BLOWER WENT OFF ON OUR 2005 CHEVY TRAILBLAZER AND WOULD NOT COME BACK ON. WHILE TRYING TO FIND A PLACE TO SAFELY PULL OVER WE ALMOST HIT ANOTHER VEHICLE BECAUSE WE COULDN'T SEE THROU…
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SATURDAY NIGHT (03/1/14) ON OUR WAY HOME IT STARTED SNOWING HEAVILY, THE VISIBILITY WAS LOW AND OUR WINDOWS WERE FOGGING UP AND THE FRONT HEATER BLOWER WENT OFF ON OUR 2005 CHEVY TRAILBLAZER AND WOULD NOT COME BACK ON. WHILE TRYING TO FIND A PLACE TO SAFELY PULL OVER WE ALMOST HIT ANOTHER VEHICLE BECAUSE WE COULDN'T SEE THROUGH OUR FOGGED UP WINDOWS.. AFTER WE PULLED OVER AND TURNED THE CAR OFF THE BLOWER MOTOR CAME ON AND CONTINUED TO RUN WITH THE CAR OFF AND THE KEY REMOVED FROM THE IGNITION, SO WE RE-STARTED THE CAR, AND THE BLOWER WENT OFF AND NEVER CAME BACK ON... THEN TODAY I WENT OUT STARTED THE CAR TO WARM UP THE ENGINE AND THE BLOWER CAME ON. I DROVE TO THE STORE SHUT THE CAR OFF AND THE BLOWER CONTINUED TO RUN SO I RE-STARTED THE CAR AND TURNED IT OFF AGAIN AND THE BLOWER MOTOR STOPPED. WHEN I RE-ENTERED THE CAR TO GO HOME THE BLOWER ONCE AGAIN WOULD NOT TURN ON AT ANY SPEED. SO I FIGURED IF I DIDN'T HAVE HEAT AT LEAST I HAD A HEATED SEAT BUT AFTER ABOUT 5-10 MINS THE SEAT PART OF THE SEAT GOT SO HOT IT WAS BURNING MY BUTT AND THIGHS SO I HAD TO SHUT IT OFF. THEN ABOUT 1/2 HOME THE BLOWER JUST STARTED BLOWING AGAIN, I PULLED INTO THE GAS STATION SHUT THE CAR OFF AND THE BLOWER MOTOR ONCE AGAIN CONTINUED TO RUN WITH THE CAR OFF AND THE KEY OUT OF THE IGNITION SO AGAIN I PUT THE KEY IN STARTED THE CAR THEN TURNED IT OFF AGAIN AND THE MOTOR STOPPED. THIS COULD BE A VERY SERIOUS ISSUE WITH NOT BEING ABLE TO DEFROST THE WINDSHIELD/WINDOWS IN THESE HAZARDOUS DRIVING CONDITIONS< PLUS NOT HAVING HEAT IN BELOW ZERO TEMPS IS A HEALTH HAZARD AS WELL. ( SINCE WE LIVE IN SUCH A COLD SNOWY STATE). *TR
NHTSA ODI #10566723
95,000 miles · Feb 25, 2014
Electrical SystemFuel System, Gasoline
I HAVE ANY ISSUES WITH MY FUEL GAUGE AND DASH READING FOR YEARS NOW. I THOUGHT IT WAS AN ISSUE WITH JUST MY TRUCK BUT IN READING OTHER COMPLAINTS IT SEEMS AS THERE IS AN ISSUE. I BOUGHT MY TRUCK NEW AND CURRENTLY HAVE 178,000 MILES ON IT. I WAS TOLD BYTHE DEALER THAT THE GAS GAUGE ISSUE WOULD NOT BE COVERED AS IT'S 10 YEARS OR 1…
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I HAVE ANY ISSUES WITH MY FUEL GAUGE AND DASH READING FOR YEARS NOW. I THOUGHT IT WAS AN ISSUE WITH JUST MY TRUCK BUT IN READING OTHER COMPLAINTS IT SEEMS AS THERE IS AN ISSUE. I BOUGHT MY TRUCK NEW AND CURRENTLY HAVE 178,000 MILES ON IT. I WAS TOLD BYTHE DEALER THAT THE GAS GAUGE ISSUE WOULD NOT BE COVERED AS IT'S 10 YEARS OR 120,000 WHICH EVERY CAME FIRST. MY DASH BOARD HAS NOT BEEN WORKING FOR SOME TIME FIRST IT WAS THE SPEEDOMETER AND THEN THE OIL AND OTHER'S COMPONENTS SOON FOLLOWED. *TR
NHTSA ODI #10565760
170,784 miles · Feb 9, 2014
Electrical SystemFuel System, Gasoline
I JUST PURCHASED THIS VEHICLE YESTERDAY FROM A DEALERSHIP. THEY FILLED THE GAS TANK UP BEFORE I DROVE IT OFF THE LOT BECAUSE, THEY SAID, "THE GAS GAUGE ISN'T WORKING." I WAS LOOKING UP WHAT IT COULD BE AND NOTICED THERE WAS A LOT OF PEOPLE WITH COMPLAINTS OF THIS, 668 PEOPLE. I SUPPOSE I'M THE 669TH PERSON. THERE WASN'T A RECALL…
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I JUST PURCHASED THIS VEHICLE YESTERDAY FROM A DEALERSHIP. THEY FILLED THE GAS TANK UP BEFORE I DROVE IT OFF THE LOT BECAUSE, THEY SAID, "THE GAS GAUGE ISN'T WORKING." I WAS LOOKING UP WHAT IT COULD BE AND NOTICED THERE WAS A LOT OF PEOPLE WITH COMPLAINTS OF THIS, 668 PEOPLE. I SUPPOSE I'M THE 669TH PERSON. THERE WASN'T A RECALL THAT I COULD FIND, BUT INVESTIGATIONS WERE BEING DONE? *TR
NHTSA ODI #10563601
110,000 miles · Feb 2, 2014
Electrical SystemExterior LightingFuel System, Gasoline
VEHICLE'S HEADLAMPS WILL POWER SURGE, DIM WHILE DRIVING PERIODICALLY. FUEL SENSOR SHOWED CONSTANT EMPTY UNTIL REPAIRED BY THE RECALL. VEHICLE WILL OCCASIONALLY SURGE FORWARD REVVING ON IT'S OWN AT RANDOM TIMES. THE BLOWER RESISTOR PACK HAS BURNT UP TWICE, THE BLOWER MOTOR HAS BEEN REPLACED AS WELL AS THE MELTED WIRES.NOW THE VEH…
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VEHICLE'S HEADLAMPS WILL POWER SURGE, DIM WHILE DRIVING PERIODICALLY. FUEL SENSOR SHOWED CONSTANT EMPTY UNTIL REPAIRED BY THE RECALL. VEHICLE WILL OCCASIONALLY SURGE FORWARD REVVING ON IT'S OWN AT RANDOM TIMES. THE BLOWER RESISTOR PACK HAS BURNT UP TWICE, THE BLOWER MOTOR HAS BEEN REPLACED AS WELL AS THE MELTED WIRES.NOW THE VEHICLE WILL NOT START. THE POWER WINDOWS, LOCKS, RADIO, DOME LIGHTS, DASH LIGHTS ARE INOPERATIVE AND THE VEHICLE WILL NOT ATTEMPT TO TURN OVER. SEEMS LIKE THIS VEHICLE HAS HAD A LOT OF ELECTRICAL ISSUES. *TR
NHTSA ODI #10562536
NHTSA investigations
2RQ17002 · Loss Of Headlights
Opened Apr 24, 2017 · Closed Mar 29, 2021
Status: closed (inferred from source dates) · Exterior Lighting:headlights
The subject vehicles are model year (MY) 2002-2009 Chevrolet Trailblazer, GMC Envoy, 2004-2007 Buick Rainier, 2003-2008 Isuzu Ascender, 2005-2009 Saab 9-7X, 2002-2004 Oldsmobile Bravada, 2003-2006 Chevrolet SSR, 2005-2009 Buick Lacrosse, and 2006-2008 Pontiac Grand Prix. This scope includes the Trailblazer/Envoy variants: 2002-2006 Envoy XL/Trailblazer EXT and 2004-2005 Envoy XUV. The original scope of this investigation was expanded to include all vehicles equipped with the subject Headlight Driver Module (HDM). The focus of the investigation was to determine whether actions performed by General Motors adequately addressed any unreasonable risk to motor vehicle safety in the subject vehicles concerning the headlights and the HDM that controls them.Under normal electrical load and environmental conditions, the HDM can overheat inside the Underhood Electrical Center (UEC). This can cause the module to fail and result in a simultaneous loss of both low beam headlights and both daytime running lights (DRLs), often with no warning or prior detectability to the driver. This failure can be intermittent or permanent. No other exterior lights are affected. High beams, turn signals, brake lights, and reverse lights are still operational.General Motors addressed this issue with 2 recalls (14V755 & 15V519) and a special coverage program (N172091910). In view of the recalls and special coverage program implemented by GM and the vehicle high beams continuing to operate, ODI has tentatively concluded that the actions taken by GM mitigate any unreasonable risk to safety posed by HDM failure in the subject vehicles.Accordingly, the investigation is closed. The closing of this investigation does not constitute a finding by NHTSA that a safety-related defect does not exist. The agency reserves the right to take additional action if warranted by new circumstances.The ODI reports cited above are available for review online at NHTSA.gov under the identification numbers in the attached document.
DP10001 · Fuel Level Gauge System Failure
Opened Jan 7, 2010 · Closed May 23, 2011
Status: closed (inferred from source dates) · Fuel System, Other; Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Additional source detail variants (2)
Fuel System, Other
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.
Fuel System, Other:storage:fuel Gauge System
The Office of Defects Investigation has received 668 complaints alleging inaccurate fuel gauge reading while driving in model year 2005-07 Chevrolet Trailblazer, GMC Envoy, Buick Rainier, and Saab 9-7x vehicles.Of the 668 complaints, 58 incidents were alleged to result in a vehicle stall.Of the 58 stalling incidents, 43 complaints reported stalling because the fuel level reading indicated more fuel availability than what is actually in the fuel tank. One complaint alleged a vehicle crash after the vehicle stalled while exiting the interstate, became disabled, and was struck from behind.Summarily, the complaints show an apparent increasing trend, with most complaints received within the past year.A Preliminary Evaluation has been opened to assess the scope, frequency and potential safety consequences associated with the alleged defect.